常陽的閥門定位器主要與CV3000氣動執(zhí)行機構(gòu)配套使用,輸入4~20mA DC的信號轉(zhuǎn)換輸出空氣壓力,控制執(zhí)行機構(gòu)的動作。同時根據(jù)執(zhí)行機構(gòu)的行程進行反饋,從而使執(zhí)行機構(gòu)的行程能按控制信號進行確定位。閥門定位器
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技術(shù)性能Technical performance
輸入信號Input signal | 4~20 mA DC可進行分程控制調(diào)整范圍4~12,12~20 mA DC | The split range is possible by span adjustment and zero adjustment.Adjustable range: 4~12, 12~20 mA DC. | ||||
輸入阻抗Input impedance | 250Ω±10Ω | 氣源壓力Air supply | 140~160 KPa,120 ~500 KPa | |||
耗氣量Air consumption | 單動作型 | Single acting type : 5Nl / min at 140 KPa air supply | ||||
性能Performance | 單動作型執(zhí)行機構(gòu)For single acting actuator 直線性Linearity-----------------------------------±1.0% F.S 回差Hysteresis---------------------------------------1%F.S 靈敏度Response level-------------------------------0.1% F.S 重復度Repeatability------------------------------0.2% F.S | |||||
氣源接口Air connection | Rc 1/4 | 電氣接口Wiring connection | Rc 1/2 | |||
環(huán)境溫度Ambient temperature | -40~80℃ | 防護等級Protection | IP65 | |||
外殼材料Housing material | 鋁合金Aluminum alloy | 表面涂層Coating | 噴塑Epoxy resin group paint |